<template>
    <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>权线管理</el-breadcrumb-item>
        <el-breadcrumb-item>角色列表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
          <el-row>
            <el-col>
                <el-button @click="addDialogVisible = true">添加角色</el-button>
            </el-col>
          </el-row>
          <el-table :data="rolesList" border stripe>
            <el-table-column type="expand">
                <template slot-scope="scope">
                  <el-row :class="['bdbottom', i1 === 0 ? 'bdtop' : '','vcenter']" v-for="(item1,i1) in scope.row.children" :key=item1.id>
                    <el-col :span="5">
                      <el-tag  closable @close="removeRightById(scope.row,item1.id)">{{item1.authName}}</el-tag>
                      <i class="el-icon-caret-right"></i>
                    </el-col>
                    <el-col :span="19">
                      <el-row :class="[i2 === 0 ? '' : 'bdtop' ,'vcenter']" v-for="(item2,i2) in item1.children" :key="item2.id">
                        <el-col :span="6">
                          <el-tag type="success" closable @close="removeRightById(scope.row,item2.id)">{{item2.authName}}</el-tag>
                          <i class="el-icon-caret-right"></i>
                        </el-col>
                        <el-col :span="18">
                          <el-tag type="warning" v-for="(item3) in item2.children" :key="item3.id" closable @close="removeRightById(scope.row,item3.id)">{{item3.authName}}</el-tag>
                          <i class="el-icon-caret-right"></i>
                        </el-col>
                        <el-col></el-col>
                      </el-row>
                    </el-col>
                  </el-row>
                </template>
            </el-table-column>
            <el-table-column type="index"></el-table-column>
            <el-table-column label="角色名称" prop="roleName"></el-table-column>
            <el-table-column label="角色描述" prop="roleDesc"></el-table-column>
            <el-table-column label="操作" width="300px">
                <template slot-scope="scope">
                    <el-button size="mini" type="primary" icon="el-icon-edit" @click="showEditDialog(scope.row.id)">编辑</el-button>
                    <el-button size="mini" type="danger" icon="el-icon-delete" @click="removeParams(scope.row.id)">删除</el-button>
                    <el-button size="mini" type="warning" icon="el-icon-setting" @click="showSetRightDialog(scope.row)">分配权限</el-button>
                </template>
            </el-table-column>
          </el-table>
       </el-card>

         <el-dialog
            title="添加角色"
            :visible.sync="addDialogVisible"
            width="50%" @close="addDialogClosed">
            <el-form :model="addForm" :rules="addFormRules" ref="addForRef" label-width="70px">
                <el-form-item label="角色名称" prop="roleName">
                  <el-input v-model="addForm.roleName"></el-input>
                 </el-form-item>
                 <el-form-item label="角色描述" prop="roleDesc">
                  <el-input v-model="addForm.roleDesc"></el-input>
                 </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="addDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="addUser">确 定</el-button>
            </span>
         </el-dialog>
           <el-dialog
               title="分配权限"
               :visible.sync="showRightDialogVsible"
               width="50%" @close="setRightDialogClosed">
               <el-tree :data="rightslist" :props="treeProps" show-checkbox node-key="id" default-expand-all :default-checked-keys="defKeys" ref="treeRef"></el-tree>
               <span slot="footer" class="dialog-footer">
                 <el-button @click="showRightDialogVsible = false">取 消</el-button>
                 <el-button type="primary" @click="allotRights">确 定</el-button>
               </span>
          </el-dialog>
          <el-dialog
           :title="'修改角色'"
           :visible.sync="editDialogVisible"
           width="50%" @close="editDialogClosed">
           <el-form :model="editForm" :rules="addFormRules" ref="editFormRef" label-width="100px">
              <el-form-item :label="角色名称" prop="roleName">
               <el-input v-model="editForm.roleName"></el-input>
              </el-form-item>
              <el-form-item :label="角色描述" prop="roleDesc">
               <el-input v-model="editForm.roleDesc"></el-input>
              </el-form-item>
           </el-form>
           <span slot="footer" class="dialog-footer">
             <el-button @click="editDialogVisible = false">取 消</el-button>
             <el-button type="primary" @click="editParams">确 定</el-button>
           </span>
      </el-dialog>
    </div>
</template>

<script>
export default {
  data () {
    return {
      rolesList: [],
      addDialogVisible: false,
      showRightDialogVsible: false,
      editDialogVisible: false,
      defKeys: [],
      rightslist: [],
      roleId: '',
      id: '',
      editForm: {},
      treeProps: {
        label: 'authName',
        children: 'children'
      },
      addFormRules: {
        roleName: [
          { required: true, message: '请输入角色', trigger: 'blur' },
          { min: 2, max: 10, message: '长度在 2 到 10 个字符', trigger: 'blur' }
        ],
        roleDesc: [
          { required: true, message: '请输入角色介绍', trigger: 'blur' },
          { min: 1, max: 15, message: '长度在 1 到 15 个字符', trigger: 'blur' }
        ]
      },
      addForm: {
        roleName: '',
        roleDesc: ''
      }
    }
  },
  created () {
    this.getRolesList()
  },
  methods: {
    async getRolesList () {
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户失败!')
      }
      this.rolesList = res.data
      console.log(this.rolesList)
    },
    addUser () {
      this.$refs.addForRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.post('roles', this.addForm)
        if (res.meta.message !== 200) {
          this.$message.error('添加用户失败!')
        }
        this.$message.error('添加用户成功')
        this.addDialogVisible = false
        this.getRolesList()
        console.log(res.data)
      })
    },
    addDialogClosed () {
      this.$refs.addForRef.resetFields()
    },
    async removeRightById (role, rightId) {
      const congirmResult = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (congirmResult !== 'confirm') {
        return this.$message.info('取消了删除')
      }
      const { data: res } = await this.$http.delete(`roles/${role.id}/rights/${rightId}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除权限失败!')
      }
      role.children = res.data
    },
    async showSetRightDialog (role) {
      this.roleId = role.id
      const { data: res } = await this.$http.get('rights/tree')
      if (res.meta.status !== 200) {
        return this.$message.error('获取权限数据失败!')
      }
      this.rightslist = res.data
      console.log(this.rightslist)
      this.getLeafKeys(role, this.defKeys)
      this.showRightDialogVsible = true
    },
    getLeafKeys (node, arr) {
      if (!node.children) {
        return arr.push(node.id)
      }
      node.children.forEach(item => this.getLeafKeys(item, arr))
    },
    setRightDialogClosed () {
      this.defKeys = []
    },
    async allotRights () {
      const keys = [
        ...this.$refs.treeRef.getCheckedKeys(),
        ...this.$refs.treeRef.getHalfCheckedKeys()
      ]
      const idStr = keys.join(',')
      const { data: res } = await this.$http.post(`roles/${this.roleId}/rights`, { rids: idStr })
      if (res.meta.status !== 200) {
        return this.$message.error('分配权限失败!')
      }
      this.$message.error('分配权限成功')
      this.getRolesList()
      this.showRightDialogVsible = false
    },
    async showEditDialog (roleId) {
      this.id = roleId
      const { data: res } = await this.$http.get(`roles/${roleId}`)
      if (res.meta.status !== 200) {
        return this.$message.error('添加参数信息失败!')
      }
      this.editForm = res.data
      console.log(res.data)
      console.log(this.id)
      this.editDialogVisible = true
    },
    editDialogClosed () {
      this.$refs.editFormRef.resetFields()
    },
    editParams () {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.put(`roles/${this.id}`, { roleName: this.editForm.roleName, roleDesc: this.editForm.roleDesc })
        if (res.meta.status !== 200) {
          return this.$message.error('修改参数信息失败!')
        }
        this.$message.error('修改参数信息成功')
        this.getRolesList()
        this.editDialogVisible = false
      })
    },
    async removeParams (id) {
      const confirmResult = await this.$confirm('此操作将永久删除该参数, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除!')
      }
      const { data: res } = await this.$http.delete(`roles/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除参数失败!')
      }
      this.$message.success('删除参数成功')
      this.getRolesList()
    }
  }
}
</script>

<style lang="less" scoped>
.el-tag {
  margin:7px
}
.bdbottom {
  border-bottom: 1px solid #eee;
}
.bdtop {
  border-top: 1px solid #eee;
}
.vcenter {
  display: flex;
  align-items: center;
}
</style>
